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-rw-r--r--man/systemd.link.xml5
1 files changed, 4 insertions, 1 deletions
diff --git a/man/systemd.link.xml b/man/systemd.link.xml
index 2cfe7107f8..d5c8b9968d 100644
--- a/man/systemd.link.xml
+++ b/man/systemd.link.xml
@@ -216,7 +216,10 @@
nothing is done. Otherwise, a new MAC address is
generated which is guaranteed to be the same on every
boot for the given machine and the given device, but
- which is otherwise random.</para>
+ which is otherwise random. This feature depends on ID_NET_NAME_*
+ properties existing for the link, on hardware where these
+ properties are not set the generation of a persistent mac address
+ will fail.</para>
</listitem>
</varlistentry>
<varlistentry>